Initially, manager Ozzie Guillen planned on not starting Infante on Sunday, and possibly Monday.
But after Infante delivered a pinch-hit triple in Saturday's 3-2 comeback win over the D-backs, the veteran second baseman convinced Guillen that he is ready to go.
So Miami's hottest hitter was back in the starting lineup on Sunday.
Infante has been dealing with a sore left groin/hamstring issue for most of the year. On Sunday morning, he clarified what is bothering him, saying it is more his hamstring.
"It's still tight, but I can play," he said. "I think about it a lot, my leg."
Each day for Infante starts with some form of therapy, either massages or icing. He says it grabs on him more when he stops running than when he actually is running.
On the standup triple on Saturday, he said his leg was fine. But he grimaced a little when he reached third base.
"I didn't feel it," he said while running. "Only when I stopped."
On a team with a sluggish offense, Infante has been Miami's top hitter. He is batting .327 with five doubles, two triples, five home runs and seven RBIs.
He understands that until the groin is fully healed, he will get some days off.
"I say to Ozzie, 'I don't want to feel sore. I don't want to be on the [disabled list],'" Infante said. "Sometimes we will take it easy. Sometimes I'll play two days in a row, and then rest. I want to be 100 percent. I don't want to play 60 percent, 70 percent. I want to play 100 percent."